Nazare Big Wave Challenge Gets Yellow Alert, Could Run Saturday in Giant Waves
70-foot plus waves predicted for Portuguese big wave tow surfing competition.
Surf Forecasts:
Sanguessuga surfForecast / Alentejo / Portugal
48hr Weather and Surf, issued 11 pm Saturday 13 Dec 2025 WETForecast update in hr min s Forecast update imminent
Sanguessuga surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Sanguessuga sea temperature is
16.5° C
(Which is slightly cooler than normal)How big are the waves at Sanguessuga today?
The current surf forecast for Sanguessuga at 2AM is: 2.5m 14s primary swell from a Northwest direction (forecast issued at 11:00pm December 13). An open ocean swell of 0.6m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | 7.5ft (2.3m) | 14s |
| Afternoon (14 Dec) | 6ft (1.9m) | 13s |
| Evening (14 Dec) | 6.5ft (2.0m) | 13s |
Table - waves today at Sanguessuga. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 14 | Monday 15 | Tuesday 16 | ||||||||||||||||||||||
| 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 16 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 10 | 10 | 11 | 12 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 4765 | 3365 | 2667 | 2233 | 2004 | 1452 | 1223 | 1346 | 1387 | 1850 | 1969 | 2031 | 2068 | 1933 | 1693 | 1533 | 2682 | 1306 | 3521 | 3620 | 4874 | 7194 | 9783 | 10911 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | off | glass | cross- off | cross | cross | cross- on | cross- on | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross- off |
High Tide / height (m) | 10:15PM 2.63 | 10:32AM 2.74 | 11:11PM 2.71 | 11:28AM 2.76 | 11:58PM 2.82 | 12:15PM 2.80 | ||||||||||||||||||
Low Tide / height (m) | 4:22AM 1.39 | 4:56PM 1.23 | 5:19AM 1.31 | 5:42PM 1.18 | 6:07AM 1.22 | |||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:41 | - | - | - | - | - | - | - | 7:43 | - | - | - | - | - | - | - | 7:43 | - | - | - |
| Sunset | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:16 | - |
 | | | |  | | |  |  | | | |  |  | |  |  | |  | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 | 6 | 2 | 2 | 3 | 4 | 4 | 5 | 5 |
| Temp. °C | 14 | 13 | 12 | 11 | 10 | 15 | 17 | 15 | 14 | 13 | 12 | 12 | 14 | 16 | 14 | 13 | 11 | 12 | 12 | 12 | 12 | 13 | 11 | 11 |
| Feels °C (?) | 10 | 10 | 9 | 7 | 7 | 12 | 14 | 13 | 13 | 12 | 11 | 10 | 12 | 13 | 11 | 9 | 4 | 5 | 4 | 3 | 5 | 5 | 4 | 5 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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